Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2019) View Advanced Player Stats
Sarah Zinn-Burggraaf (Urbandale, IA)
Female 		3.5 C
12/31/2024
Estimated Dynamic Rating 3.4945
3/6/2025
Projected Year End Rating ------
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3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
2019 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 2.5 3 3 0 0 100.0 6 6 0 100.0 45 36 9 80.0 0
Adult 18+ 3.0 4 1 3 0 25.0 8 2 6 25.0 59 22 37 37.3 0
Adult 40+ 3.0 5 5 0 0 100.0 14 10 4 71.4 95 53 42 55.8 0
Tri-Level 18+ 4.0 1 0 1 0 0.0 2 0 2 0.0 17 5 12 29.4 0
Total 13 9 4 0 69.2 30 18 12 60.0 216 116 100 53.7 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
12/07/2019 Adult 40+
3.0		 Burggraaf/Heying - DM Golf
Missouri Valley		 D2 Sonja Heying
(2.69) 		Tamara Sandvig
(2.51)
Cheri Iversen
(2.51) 		W 6-1
6-3		 2.76 2.64
11/16/2019 Adult 40+
3.0		 Burggraaf/Heying - DM Golf
Missouri Valley		 S1 Mary Goeser
(2.73) 		W 3-6
6-4
1-0		 2.73 2.61
11/02/2019 Adult 40+
3.0		 Burggraaf/Heying - DM Golf
Missouri Valley		 S2 Christy Cownie
(2.75) 		W 7-5
1-6
1-0		 2.70 2.50
10/26/2019 Adult 40+
3.0		 Burggraaf/Heying - DM Golf
Missouri Valley		 S1 Carolyn Camp
(2.81) 		W 4-6
6-4
1-0		 S 2.45
09/21/2019 Adult 40+
3.0		 Burggraaf/Heying - DM Golf
Missouri Valley		 S1 Megan Beebe
(2.67) 		W 4-6
6-1
1-0		 2.79 2.45
06/13/2019 Tri-Level 18+
4.0		 Mallisee - DM Golf
Missouri Valley		 D330 Michele Staub
(2.80) 		Mary Jo Sherrill
(3.12)
Patty Avilez
(2.99) 		L 6-1
6-4		 2.49 2.40
04/20/2019 Adult 18+
2.5		 Benson - DM Golf
Missouri Valley		 D1 Sonja Heying
(2.61) 		Michelle Mullin
(2.38)
Allison Hales
(2.19) 		W 6-0
6-2		 S 2.30
04/06/2019 Adult 18+
3.0		 Dinshaw/Staub - DM GOlf
Missouri Valley		 D2 Sonja Heying
(2.52) 		Christy Cownie
(2.74)
Susie Pitzen
(2.72) 		L 6-1
6-0		 2.22 2.30
03/09/2019 Adult 18+
3.0		 Dinshaw/Staub - DM GOlf
Missouri Valley		 S2 Yihong Li
(3.14) 		L 6-4
6-2		 S 2.37
02/23/2019 Adult 18+
3.0		 Dinshaw/Staub - DM GOlf
Missouri Valley		 S2 Karen Sissel
(2.94) 		L 6-2
6-1		 2.42 2.37
02/16/2019 Adult 18+
3.0		 Dinshaw/Staub - DM GOlf
Missouri Valley		 D2 Meredith Crenshaw
(2.69) 		Renee Kris Chamblee
(2.58)
Sherry Olson
(-----) 		W 6-1
6-0		 S 2.35
01/12/2019 Adult 18+
2.5		 Benson - DM Golf
Missouri Valley		 S1 Dionne Richards
(2.85) 		W 6-2
6-2		 S 2.35
01/05/2019 Adult 18+
2.5		 Benson - DM Golf
Missouri Valley		 S1 Rachel Binning
(2.25) 		W 6-1
6-2		 2.59 2.35
12/07/2019 D2 Adult 40+
3.0
Burggraaf/Heying - DM Golf
Missouri Valley		 W Peterson/Rogers - Aspen
Missouri Valley
Sonja Heying (2.69) 6-1
6-3		 Tamara Sandvig (2.51)
Cheri Iversen (2.51)
Match: 2.76 Rating: 2.64
11/16/2019 S1 Adult 40+
3.0
Burggraaf/Heying - DM Golf
Missouri Valley		 W Lu/Graf - Aspen
Missouri Valley
3-6
6-4
1-0		 Mary Goeser (2.73)
Match: 2.73 Rating: 2.61
11/02/2019 S2 Adult 40+
3.0
Burggraaf/Heying - DM Golf
Missouri Valley		 W VanVark/Hockmuth - Lifetime
Missouri Valley
7-5
1-6
1-0		 Christy Cownie (2.75)
Match: 2.70 Rating: 2.50
10/26/2019 S1 Adult 40+
3.0
Burggraaf/Heying - DM Golf
Missouri Valley		 W Christensen/Cortese - Lifetime
Missouri Valley
4-6
6-4
1-0		 Carolyn Camp (2.81)
Match: S Rating: 2.45
09/21/2019 S1 Adult 40+
3.0
Burggraaf/Heying - DM Golf
Missouri Valley		 W VanVark/Hockmuth - Lifetime
Missouri Valley
4-6
6-1
1-0		 Megan Beebe (2.67)
Match: 2.79 Rating: 2.45
06/13/2019 D330 Tri-Level 18+
4.0
Mallisee - DM Golf
Missouri Valley		 L Rickert - Lifetime
Missouri Valley
Michele Staub (2.80) 6-1
6-4		 Mary Jo Sherrill (3.12)
Patty Avilez (2.99)
Match: 2.49 Rating: 2.40
04/20/2019 D1 Adult 18+
2.5
Benson - DM Golf
Missouri Valley		 W Baddeloo - DM Golf
Missouri Valley
Sonja Heying (2.61) 6-0
6-2		 Michelle Mullin (2.38)
Allison Hales (2.19)
Match: S Rating: 2.30
04/06/2019 D2 Adult 18+
3.0
Dinshaw/Staub - DM GOlf
Missouri Valley		 L IA - VanVark/Larsen
Missouri Valley
Sonja Heying (2.52) 6-1
6-0		 Christy Cownie (2.74)
Susie Pitzen (2.72)
Match: 2.22 Rating: 2.30
03/09/2019 S2 Adult 18+
3.0
Dinshaw/Staub - DM GOlf
Missouri Valley		 L Petersen/Rogers - Aspen
Missouri Valley
6-4
6-2		 Yihong Li (3.14)
Match: S Rating: 2.37
02/23/2019 S2 Adult 18+
3.0
Dinshaw/Staub - DM GOlf
Missouri Valley		 L Sissel/Sandvig - Aspen
Missouri Valley
6-2
6-1		 Karen Sissel (2.94)
Match: 2.42 Rating: 2.37
02/16/2019 D2 Adult 18+
3.0
Dinshaw/Staub - DM GOlf
Missouri Valley		 W Christensen/Cortese - Lifetime
Missouri Valley
Meredith Crenshaw (2.69) 6-1
6-0		 Renee Kris Chamblee (2.58)
Sherry Olson (-----)
Match: S Rating: 2.35
01/12/2019 S1 Adult 18+
2.5
Benson - DM Golf
Missouri Valley		 W Blume 2.5 - Aspen
Missouri Valley
6-2
6-2		 Dionne Richards (2.85)
Match: S Rating: 2.35
01/05/2019 S1 Adult 18+
2.5
Benson - DM Golf
Missouri Valley		 W Baddeloo - DM Golf
Missouri Valley
6-1
6-2		 Rachel Binning (2.25)
Match: 2.59 Rating: 2.35
Glossary
Match Player rating for individual match.
Rating Dynamic rating after completed match.
NC Match not yet calculated into rating.
S Self rated or unrated player involved in match so no match rating calculated for current player.
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